Film feeding apparatus



Sept. 19, 1933.

J. C. CONN` FILM FEEDING APPARATUS Filed May 26, 1931 MEE.:

' lNvr-:NTOR

Patented Sepe 19, 1933 use STATES FILM FEEDING APPARA'MS Joseph C Conm Boenton, N I@ Application May 262, 193i, Seriali Nea www@ wir S-li Trie present invention relates: i' merit im ieee-me" epmmtiis oi? milities heretofore encountered time fiim ieetinsg mechanisms has been the nb er tearing of time faim et er near pointe o esigegew ment et the driving sprockets The teudeiiey hieaimge with increased rwpcty oi Operetten, anni perticuariy with inereeseo' rates of eeeeiemtion ei the film, between stops im the cerniere end pioeetor. One taeter contributing to breakage o fiim in known types of motien pie ture epparatus and other devices employing loer-a foreted films is the single line engagement of the iiim with the `@im driving member, usually" Si toothed sprocket This arrangement unduly comI centretes practically the entire force employed film ecceieration'upon a reiativeiy marrow poition or cross section of the film, mameiy, tiwt part between the two opposite perfomtions @miem happens to be engaged by the eirivii e sprocket, @me eiejeet ei m invention has provide e :film driving apparatus whereby im wif et thrust ofthe driving memset will we ois= tributed over e, substantial length et of across e singie line. It is contemple-ted this improvement wiil be appiieaiti'e any stmtruw ture in which e perforated film moved reilen tiem to en eperetere.

invention be better understood from e deseription of e, preferred embodiment thereof, set forth im the following speeeetom "einem im eetmeetion with the appended eireweg, which Tagore i is e. iongitudmel sectiem om tine of Figure 2;

"are 2 is e transverse seetiom om are Si;

@me 3 e top pien View of e if? side meniioers oi' a. dt'ive eV viieiity te formed; i leute 4i e, fragmentary top mieli. of bassemble-ri fom e drive ehem;

5 et siete elevation ei the tie' iiiiistreted Figure and i e e medieetion the am cation of my improved driving to @Je term of e camere..

Referring to drawing, time ture dis-closes e @im i, mow operative Se letton te rm ecetoreai weiii 22 en one s sititaoe Tim driving om t1H A oei-fiel side. The letter ineiuces, es shown im L two sbatte 3 emi e, each provided with sprocket teeth, 5 and 6 respeetivey, am@ rotete tera mittentiy by a geneva or other smsebie movem "Wi weer??? eme erm Two endless e ve the two sei-s ei spocizet teeth simi beim; equipped with faim teeth e1 lugs i0, pesitiome adepte@ times of perforation; ii. edieeeiit tite iotemi `ees o the Him lin the' embodiment ei invention shown in Eiguxe i, my mprovefl :Elm driving mechanism is slfiomi im eomeetiom with enger-atras in which 65 the driven portion et the im engages suitabledrivirig devices eivienged between loops and i3 oi* es )mom types of motion pieture eereeeee and projectors.

im the meoiiiicetiem iilustroted in Figure (i, the 7C" advanced Toy emciless chains i4 'ami i5 ee are to en.

5 Ires stir/eig; Whew; im assembled y 'feietteza to the iilustieted wanten; oi the bio-mii opposite ie exteiisiems 25 tuent toire-rei emi em eet W ifi ether as indicate@ I f Th i", when these exists e spaced opposite @mais 'ire two may oe 1 LJ e e or the iiie r e Construction iteieiw- Wm suitable for me im he @Exiting "1 es my inve-- is ossoseci .spaced faim engaging; teetiene side of the web, end gestione o swim s f bezit toweeci each other et web.

A link for @im driving chaine com; a' im side members emi e web oounectme members in spaced relation, opposed end portions of said members at one side of said web vto presenting drive teeth. and the other end portions of said side members being bent toward each other at the other side of said web.

3. Apparatus for advancing a nlm having regu-v tion in the lm during advancing movement of the chain, said tooth being positioned at one end of the link and opposite the common pivotal connection between said end of the link and the contiguous end oi. an adjacent link.

5. Apparatus for advancing a film having regularly spaced perforations. comprising an endless chain provided with illm driving links each of which has an outwardly projecting tooth positioned to move into and out o! a perforation in the lm during advancing movement oi the chain, said tooth being positioned at one end of the link and with its axis in radial relation to the axis ot the common pivotal connection between said end of said driving link and the contiguous end of the next adjacent link.

JOSEPH C. CONN. 

